<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>上传按钮</title>
<style>
 	#fileBox{ width:86px; height:55px; overflow:hidden; 
		position:relative; }
	#fileBox input{ width:100%; height:100%; background:red; 
		position:absolute; z-index:2; opacity:0; }
	#fileBox div{ width:100%; height:100%; 
		background:url(upload.png) no-repeat; 
		position:absolute; z-index:1; }

</style>
</head>
<body>
<div id="fileBox">
    <div></div>
</div>
</body>
</html>
